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SUMMARY:Topological defects and constraints on RG flows - Anatoly Konechny
  (Heriot-Watt University)
DTSTART:20251212T140000Z
DTEND:20251212T150000Z
UID:TALK239230@talks.cam.ac.uk
DESCRIPTION:In the framework of perturbed rational conformal field theorie
 s we discuss the role of topological defect lines (TDLs) in constraining b
 ulk and boundary RG flows. For&nbsp\; massive RG flows with use the langua
 ge of RG boundaries to describe the IR phases. Given a perturbationthat co
 mmutes or anti-commutes with some TDLs the corresponding RG boundaries&nbs
 p\; must be either invariant under the action of TDLs or be mapped between
  the different IR phases. For the boundary RG flows we discuss the roles o
 f the boundary tube algebra and the symmetry-breaking TDLs. We also discus
 s some mathematical problems arising when one wants to systematically desc
 ribe all&nbsp\; local operators invariant under the action of TDLs.
LOCATION:Seminar Room 1\, Newton Institute
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